<%@ page contentType="text/html; charset=utf-8" pageEncoding="utf-8"%>
<html>
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
    <title>500</title>
    <script type="text/javascript">
    </script>
</head>
<body>
    <div style="text-align: center; font-weight: bold; color: #ff0000; line-height: 700px; height: 700px; font-size: 86px">500</div>
</body>
</html>